Chennai: Chennai North Parliament constituency was formed before the 1957 elections and comprises of six legislative Assembly segments – Thiruvottiyur, Dr Radhakrishnan Nagar, Perambur, Kolathur, Thiru Vi Ka Nagar and Royapuram.
According to the Election Commission of India 2009 reports, the constituency had 1,016,663 voters out of which 510,210 males and 506,543 are female.
T G Venkatesh Babu of AIADMK is the sitting MP of the constituency and defeated DMK’s Girirajan. The constituency was a strong hold of DMK and the party had won all the elections from 1996 to 2009.